And I have some crashes (the C::B IDE was forced to close) with wxSmith whenever I tried to play around with widgets and use the "Show preview" to test the design (I'm on Ubuntu 7.04 and using wxWidgets 2.8.4). Here is the content of the .xml file that was generated when the crash happened.
<?xml version="1.0" encoding="utf-8"?>
<report version="1.0" kind="exception">
<system description="Linux 2.6.20-16-generic i686"/>
<modules>
<module path="/usr/bin/codeblocks" address="08048000" size="00091000"/>
<module path="[heap]" address="080de000" size="00da4000"/>
<module path="/usr/share/fonts/truetype/ttf-dejavu/DejaVuSansMono-Bold.ttf" address="b1a9c000" size="0003c000"/>
<module path="/usr/share/fonts/truetype/ttf-dejavu/DejaVuSansMono.ttf" address="b22d9000" size="0003f000"/>
<module path="/usr/share/codeblocks/plugins/liblib_finder.so" address="b2362000" size="0001a000"/>
<module path="/usr/share/codeblocks/plugins/libSymTab.so" address="b237e000" size="00019000"/>
<module path="/usr/share/codeblocks/plugins/libdefaultmimehandler.so" address="b2399000" size="0000e000"/>
<module path="/usr/share/codeblocks/plugins/libkeybinder.so" address="b23a8000" size="00039000"/>
<module path="/usr/share/codeblocks/plugins/libcodecompletion.so" address="b2be5000" size="000a7000"/>
<module path="/usr/share/codeblocks/plugins/libbyogames.so" address="b2c99000" size="0002e000"/>
<module path="/usr/share/codeblocks/plugins/libcb_koders.so" address="b2cca000" size="00016000"/>
<module path="/usr/share/codeblocks/plugins/libdebugger.so" address="b2ce1000" size="00091000"/>
<module path="/usr/share/codeblocks/plugins/libhelp_plugin.so" address="b2d79000" size="00013000"/>
<module path="/usr/share/codeblocks/plugins/libclasswizard.so" address="b2d8d000" size="00010000"/>
<module path="/usr/share/codeblocks/plugins/libcodestat.so" address="b2d9e000" size="00013000"/>
<module path="/usr/share/codeblocks/plugins/libdragscroll.so" address="b2db2000" size="00017000"/>
<module path="/usr/lib/libwxsmithlib.so.0.0.1" address="b2dcb000" size="00204000" version="0.0.1"/>
<module path="/usr/share/codeblocks/plugins/libwxsmithcontribitems.so" address="b2fe5000" size="0003f000"/>
<module path="/usr/share/codeblocks/plugins/libtodo.so" address="b3028000" size="00021000"/>
<module path="/usr/share/codeblocks/plugins/libcompiler.so" address="b304b000" size="00100000"/>
<module path="/usr/share/codeblocks/plugins/libcodesnippets.so" address="b3150000" size="00091000"/>
<module path="/usr/share/codeblocks/plugins/libscriptedwizard.so" address="b31e9000" size="0005d000"/>
<module path="/usr/share/codeblocks/plugins/libexporter.so" address="b324b000" size="000b0000"/>
<module path="/usr/share/codeblocks/plugins/libwxsmith.so" address="b340b000" size="00002000"/>
<module path="/usr/share/codeblocks/plugins/libRegExTestbed.so" address="b340e000" size="0000b000"/>
<module path="/usr/share/codeblocks/plugins/libenvvars.so" address="b341a000" size="00019000"/>
<module path="/usr/share/codeblocks/plugins/libProfiler.so" address="b3435000" size="00019000"/>
<module path="/usr/share/codeblocks/plugins/libautosave.so" address="b344f000" size="0000b000"/>
<module path="/usr/share/codeblocks/plugins/libastyle.so" address="b345b000" size="0002d000"/>
<module path="/usr/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-xpm.so" address="b348a000" size="00006000" version="xpm"/>
<module path="/usr/share/icons/hicolor/icon-theme.cache" address="b5495000" size="00205000"/>
<module path="/usr/share/icons/Tango/icon-theme.cache" address="b5d47000" size="00257000"/>
<module path="/usr/share/icons/Human/icon-theme.cache" address="b603f000" size="00166000"/>
<module path="/SYSV00000000" address="b61e9000" size="00060000"/>
<module path="/usr/lib/pango/1.6.0/modules/pango-basic-fc.so" address="b628f000" size="00002000" version="fc"/>
<module path="/SYSV00000000" address="b6292000" size="00060000"/>
<module path="/var/cache/fontconfig/fd9505950c048a77dc4b710eb6a628ed-x86.cache-2" address="b62f8000" size="00001000"/>
<module path="/var/cache/fontconfig/e7071f4a29fa870f4323321c154eba04-x86.cache-2" address="b62fc000" size="00001000"/>
<module path="/var/cache/fontconfig/921a30a17f0be15c70ac14043cb7a739-x86.cache-2" address="b62fe000" size="00004000"/>
<module path="/var/cache/fontconfig/646addb8444faa74ee138aa00ab0b6a0-x86.cache-2" address="b6303000" size="00002000"/>
<module path="/var/cache/fontconfig/75a2cd575a62c63e802c11411fb87c37-x86.cache-2" address="b6307000" size="00001000"/>
<module path="/var/cache/fontconfig/6d41288fd70b0be22e8c3a91e032eec0-x86.cache-2" address="b630a000" size="00006000"/>
<module path="/var/cache/fontconfig/da1bd5ca8443ffe22927a23ce431d198-x86.cache-2" address="b6312000" size="00002000"/>
<module path="/var/cache/fontconfig/0f34bcd4b6ee430af32735b75db7f02b-x86.cache-2" address="b631c000" size="00006000"/>
<module path="/var/cache/fontconfig/365b55f210c0a22e9a19e35191240f32-x86.cache-2" address="b6323000" size="00017000"/>
<module path="/var/cache/fontconfig/d52a8644073d54c13679302ca1180695-x86.cache-2" address="b633c000" size="00006000"/>
<module path="/var/cache/fontconfig/089dead882dea3570ffc31a9898cfb69-x86.cache-2" address="b6345000" size="00004000"/>
<module path="/var/cache/fontconfig/fcff1cd55d48a2c86a175e9943c3506d-x86.cache-2" address="b634b000" size="00001000"/>
<module path="/var/cache/fontconfig/b5a4f3f568a71026ccdc6a3a51afa9b4-x86.cache-2" address="b634d000" size="00001000"/>
<module path="/var/cache/fontconfig/bf1f9632594a1fa28e2cf4d7888deffe-x86.cache-2" address="b634f000" size="00001000"/>
<module path="/var/cache/fontconfig/b21a91cee725896328b8cee8091cf747-x86.cache-2" address="b6353000" size="00003000"/>
<module path="/var/cache/fontconfig/e0f9e95429e756d56293ed4d63866094-x86.cache-2" address="b638b000" size="00001000"/>
<module path="/var/cache/fontconfig/4123634e9c08547d899d0aaff05ebe69-x86.cache-2" address="b638d000" size="00002000"/>
<module path="/var/cache/fontconfig/102e5142c2e9e50c5e8ece26694a2dad-x86.cache-2" address="b6395000" size="00006000"/>
<module path="/var/cache/fontconfig/a960c40fc9306f090224a04585f8a963-x86.cache-2" address="b639c000" size="00008000"/>
<module path="/var/cache/fontconfig/b3fedf7c409f006ca1a6fceffceb77cf-x86.cache-2" address="b63a9000" size="00003000"/>
<module path="/var/cache/fontconfig/beeeeb3dfe132a8a0633a017c99ce0c0-x86.cache-2" address="b63b1000" size="00002000"/>
<module path="/usr/lib/libgnomecanvas-2.so.0.1400.0" address="b63dc000" size="00001000" version="0.1400.0"/>
<module path="/usr/lib/libgnomeprintui-2-2.so.0.1.0" address="b641b000" size="00002000" version="0.1.0"/>
<module path="/usr/lib/libart_lgpl_2.so.2.3.17" address="b6431000" size="00001000" version="2.3.17"/>
<module path="/usr/lib/libgnomeprint-2-2.so.0.1.0" address="b6498000" size="00002000" version="0.1.0"/>
<module path="/var/cache/fontconfig/059138ec877db160474b4d5de1248d14-x86.cache-2" address="b649d000" size="00002000"/>
<module path="/var/cache/fontconfig/118d8d5311348bbdf5fe3b106d7c13d4-x86.cache-2" address="b64a0000" size="00002000"/>
<module path="/lib/tls/i686/cmov/libnss_files-2.5.so" address="b64a7000" size="00009000" version="2.5"/>
<module path="/lib/tls/i686/cmov/libnss_nis-2.5.so" address="b64b2000" size="00008000" version="2.5"/>
<module path="/lib/tls/i686/cmov/libnsl-2.5.so" address="b64bc000" size="00013000" version="2.5"/>
<module path="/lib/tls/i686/cmov/libnss_compat-2.5.so" address="b64d3000" size="00007000" version="2.5"/>
<module path="/var/cache/fontconfig/a1131b7be650f9abae4907495aa5815d-x86.cache-2" address="b64dc000" size="00001000"/>
<module path="/var/cache/fontconfig/7b4a97c10f6c0166998ddfa1cf7392fb-x86.cache-2" address="b64e1000" size="00002000"/>
<module path="/usr/lib/gconv/ISO8859-1.so" address="b64e6000" size="00001000" version="1"/>
<module path="/usr/lib/locale/en_US.utf8/LC_NUMERIC" address="b64e9000" size="00001000"/>
<module path="/usr/lib/locale/en_US.utf8/LC_COLLATE" address="b64eb000" size="000d7000"/>
<module path="/usr/lib/locale/en_US.utf8/LC_MESSAGES/SYS_LC_MESSAGES" address="b65c3000" size="00001000"/>
<module path="/usr/lib/locale/en_US.utf8/LC_NAME" address="b65c5000" size="00001000"/>
<module path="/usr/lib/locale/en_US.utf8/LC_TELEPHONE" address="b65c7000" size="00001000"/>
<module path="/usr/lib/libICE.so.6.3.0" address="b6607000" size="00015000" version="6.3.0"/>
<module path="/usr/lib/libtiff.so.4.2.1" address="b6620000" size="00050000" version="4.2.1"/>
<module path="/usr/lib/libjpeg.so.62.0.0" address="b6672000" size="0001e000" version="62.0.0"/>
<module path="/usr/lib/libSM.so.6.0.0" address="b6691000" size="00008000" version="6.0.0"/>
<module path="/usr/lib/libgstinterfaces-0.10.so.0.8.0" address="b669a000" size="00007000" version="0.8.0"/>
<module path="/usr/lib/libgthread-2.0.so.0.1200.11" address="b66a2000" size="00004000" version="0.1200.11"/>
<module path="/usr/lib/libORBit-2.so.0.1.0" address="b66a7000" size="00049000" version="0.1.0"/>
<module path="/usr/lib/libgconf-2.so.4.1.2" address="b66fb000" size="0002f000" version="4.1.2"/>
<module path="/usr/lib/libxml2.so.2.6.27" address="b672d000" size="00117000" version="2.6.27"/>
<module path="/usr/lib/libgstreamer-0.10.so.0.11.0" address="b684a000" size="0009a000" version="0.11.0"/>
<module path="/usr/lib/libXdmcp.so.6.0.0" address="b68e8000" size="00004000" version="6.0.0"/>
<module path="/usr/lib/libexpat.so.1.0.0" address="b68ed000" size="0001e000" version="1.0.0"/>
<module path="/usr/lib/libXau.so.6.0.0" address="b690e000" size="00002000" version="6.0.0"/>
<module path="/lib/tls/i686/cmov/libc-2.5.so" address="b6911000" size="0013b000" version="2.5"/>
<module path="/lib/tls/i686/cmov/libc-2.5.so" address="b6a4d000" size="00002000" version="2.5"/>
<module path="/lib/libgcc_s.so.1" address="b6a52000" size="0000b000" version="1"/>
<module path="/lib/tls/i686/cmov/libm-2.5.so" address="b6a5e000" size="00025000" version="2.5"/>
<module path="/usr/lib/libstdc++.so.6.0.8" address="b6a85000" size="000df000" version="6.0.8"/>
<module path="/usr/lib/libstdc++.so.6.0.8" address="b6b67000" size="00002000" version="6.0.8"/>
<module path="/lib/tls/i686/cmov/libdl-2.5.so" address="b6b70000" size="00002000" version="2.5"/>
<module path="/lib/tls/i686/cmov/libpthread-2.5.so" address="b6b74000" size="00013000" version="2.5"/>
<module path="/usr/lib/libwx_baseu-2.8.so.0.1.1" address="b6b8b000" size="0014e000" version="0.1.1"/>
<module path="/usr/lib/libwx_baseu_net-2.8.so.0.1.1" address="b6ce8000" size="0002c000" version="0.1.1"/>
<module path="/usr/lib/libwx_baseu_xml-2.8.so.0.1.1" address="b6d16000" size="00009000" version="0.1.1"/>
<module path="/usr/lib/libwx_gtk2u_core-2.8.so.0.1.1" address="b6d21000" size="00352000" version="0.1.1"/>
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<module path="/usr/lib/libwx_gtk2u_html-2.8.so.0.1.1" address="b7169000" size="00099000" version="0.1.1"/>
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<module path="/lib/ld-2.5.so" address="b7fd5000" size="00019000" version="2.5"/>
<module path="[stack]" address="bfe45000" size="00015000"/>
</modules>
<stack>
<frame level="0" function="wxFatalSignalHandler" offset="00000026"/>
<frame level="1"/>
<frame level="2" function="wxsItemEditorContent::RecalculateMapsReq(wxsItem*)" offset="0000016b"/>
<frame level="3" function="wxsItemEditorContent::RecalculateMaps()" offset="0000008a"/>
<frame level="4" function="wxsItemEditorContent::ScreenShootTaken()" offset="00000022"/>
<frame level="5" function="wxsDrawingWindow::FetchSequencePhase2()" offset="00000036"/>
<frame level="6" function="wxsDrawingWindow::OnRefreshTimer(wxTimerEvent&)" offset="0000001d"/>
<frame level="7" function="wxAppConsole::HandleEvent(wxEvtHandler*, void (wxEvtHandler::*)(wxEvent&), wxEvent&) const" offset="00000035"/>
<frame level="8" function="wxEvtHandler::ProcessEventIfMatches(wxEventTableEntryBase const&, wxEvtHandler*, wxEvent&)" offset="0000008f"/>
<frame level="9" function="wxEvtHandler::SearchDynamicEventTable(wxEvent&)" offset="00000064"/>
<frame level="10" function="wxEvtHandler::ProcessEvent(wxEvent&)" offset="000000a3"/>
<frame level="11" function="wxTimerBase::Notify()" offset="00000081"/>
<frame level="12"/>
<frame level="13"/>
<frame level="14" function="g_main_context_dispatch" offset="00000182"/>
<frame level="15"/>
<frame level="16" function="g_main_loop_run" offset="000001a9"/>
<frame level="17" function="gtk_main" offset="000000b4"/>
<frame level="18" function="wxEventLoop::Run()" offset="0000005c"/>
<frame level="19" function="wxAppBase::MainLoop()" offset="0000004e"/>
<frame level="20" function="wxAppBase::OnRun()" offset="00000021"/>
<frame level="21" function="CodeBlocksApp::OnBatchBuildDone(CodeBlocksEvent&)" offset="00000000"/>
</stack>
</report>